The GDPR restrictions were introduced almost two years ago and have presented many companies with major challenges. The regulation protects, above all, the end-user and is intended to give better control over the storage and use of personal data. Many companies remain unclear about what is allowed and what is not. Until now, no one believed that identity management could be reconciled with a technology such as blockchain. Find out why blockchain can be used as a basis for innovative business models without violating the GDPR in the current issue of IT Guide.